- Synthetic method of rhodiola rosea active ingredient rosavin or rosarin
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The present invention provides a synthetic method of rhodiola rosea active ingredient rosavin or rosarin. A convergent synthetic strategy is adopted, rosin is used as a starting material and modifiedinto sugar acceptors through protection and deprotection strategies, then sugar acceptors and sugar donors formed by arabinopyranose and arabinyl furanose in presence of an accelerator quickly and efficiently conduct synthesis of rosavin and rosarin. The related synthetic method is cheap and easy-to-obtain in raw materials and mild in reaction conditions, the obtained product is high in purity, and compared with currently reported linear synthesis strategy, the method has very good industrialization prospects.
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